10
Answer: BSet 1: Quadratic Equations (Advanced)
Explanation
PROBLEM
Solve: x squared - 8x + 12 = 0. Find the larger root.
Solve: x squared - 8x + 12 = 0. Find the larger root.
A.
12
B.✓ Correct
6
C.
4
D.
5
Detailed Explanation
Choice B is the best answer. Factor: (x - 6)(x - 2) = 0. Roots are 6 and 2. Larger: 6
Why others are wrong:
A: 12 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.
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